#include "eglapi.h"
+/**
+ * Define an inline driver typecast function.
+ *
+ * Note that this macro defines a function and should not be ended with a
+ * semicolon when used.
+ */
+#define _EGL_DRIVER_TYPECAST(drvtype, egltype, code) \
+ static INLINE struct drvtype *drvtype(const egltype *obj) \
+ { return (struct drvtype *) code; }
+
+
+/**
+ * Define the driver typecast functions for _EGLDriver, _EGLDisplay,
+ * _EGLContext, _EGLSurface, and _EGLConfig.
+ *
+ * Note that this macro defines several functions and should not be ended with
+ * a semicolon when used.
+ */
+#define _EGL_DRIVER_STANDARD_TYPECASTS(drvname) \
+ _EGL_DRIVER_TYPECAST(drvname ## _driver, _EGLDriver, obj) \
+ /* note that this is not a direct cast */ \
+ _EGL_DRIVER_TYPECAST(drvname ## _display, _EGLDisplay, obj->DriverData) \
+ _EGL_DRIVER_TYPECAST(drvname ## _context, _EGLContext, obj) \
+ _EGL_DRIVER_TYPECAST(drvname ## _surface, _EGLSurface, obj) \
+ _EGL_DRIVER_TYPECAST(drvname ## _config, _EGLConfig, obj)
+
+
+typedef _EGLDriver *(*_EGLMain_t)(const char *args);
+
+
/**
* Base class for device drivers.
*/
const char *Args; /**< args to load this driver */
const char *Name; /**< name of this driver */
- /**< probe a display to see if it is supported */
- EGLBoolean (*Probe)(_EGLDriver *drv, _EGLDisplay *dpy);
- /**< called before dlclose to release this driver */
+
+ /**
+ * Probe a display and return a score.
+ *
+ * Roughly,
+ * 50 means the driver supports the display;
+ * 90 means the driver can accelerate the display;
+ * 100 means a perfect match.
+ */
+ EGLint (*Probe)(_EGLDriver *drv, _EGLDisplay *dpy);
+
+ /**
+ * Release the driver resource.
+ *
+ * It is called before dlclose().
+ */
void (*Unload)(_EGLDriver *drv);
_EGLAPI API; /**< EGL API dispatch table */
extern _EGLDriver *
-_eglOpenDriver(_EGLDisplay *dpy);
-
-
-extern EGLBoolean
-_eglCloseDriver(_EGLDriver *drv, _EGLDisplay *dpy);
+_eglMatchDriver(_EGLDisplay *dpy);
extern EGLBoolean
_eglInitDriverFallbacks(_EGLDriver *drv);
-PUBLIC EGLint
-_eglFindAPIs(void);
+PUBLIC void
+_eglSetProbeCache(EGLint key, const void *val);
+
+
+PUBLIC const void *
+_eglGetProbeCache(EGLint key);
#endif /* EGLDRIVER_INCLUDED */